/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/DynamicVertexSkinWeightsAttribute.h
Get the element at a given index via a pair of bone index and weight arrays. The number of influences is equal to the array size.
template<typename BoneIndexType, typename BoneFloatWeightType> void GetValue ( int VertexID, [TArray](API\Runtime\Core\Containers\TArray)< BoneIndexType > & OutBones, [TArray](API\Runtime\Core\Containers\TArray)< BoneFloatWeightType > & OutWeights ) const